<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
</head>
<body>
	<div style="background-color:red;width: 100px;height: 100">1</div>
	<button style="background-color:red;width: 50px;height: 40px">修改</button>
</body>
</html>